Mile Marker 76-50251BW SEC12(ES) Truck/SUV Electric Winch Review


In Brief: Mile Marker 76 50251BW Winch Review

The SEC12 winch is a part of the electric winch line designed for ATVs, UTVs, and other four-wheel drives. It can also work with modified vehicles owing to its disintegrated and flexible design. The winch boasts of a lot of quality features that make it one of the top choices for heavy-duty off-roading operations. Investing in this winch could be the best decision you make!

The Mile Marker line of winches includes models with a wide range of capacities from 2,500 pounds to 18,000 pounds. These winches are all-weather models that can operate in all kinds of weather conditions.

Mile Marker is one of the only companies in the market that claims that the USA military also makes use of its products. This fact alone makes it one of the best brands to choose from.

The SEC12 winch is a part of the winch line-up for Jeeps, trucks, and SUVs. For a traditional off-roader, the SEC12 winch is one winch that provides all the features that they are looking for and packs more performance per pound than any alternative.

There are several features in this winch that are worth exploring.

In the following sections of this article, we will look at these features and some related product information in detail to help you better understand the SEC12 winch.

Key Specifications of Mile Marker 76 50251bw Winch

Mile Marker 76-50251BW SEC12(ES) Truck/SUV Element Sealed Electric Winch - 12,000 lb. Capacity, 1 Pack

The impressive 12,000 pounds pull of this Mile Marker winch is possible due to the rugged planetary gear train system and a 4.8 HP series wound motor.

The body of the winch is made of strong stainless steel, and it makes use of corrosion-resistant fasteners to strengthen the winch body further and extend its lifetime.

The solenoid of the SEC12 winch is rated at 400 amps and is sealed in a manner that it is completely submersible. The winch remote controller can be used for powering in and powering out the steel cable.

It allows the operator to maintain a safe distance while the winch is in use.

The long steel cable is durable enough to sustain heavy loads, and the roller fairlead guides its motion. The SEC12 provides unmatched value to its customers in terms of reliability, durability, and affordability.

Check out the features of the SEC12 winch in the following table.

Check out the features of this Mile Marker SEC12 winch in a quick video at:


Check Out the Detailed Specifications in the table below –

Working Load
12,000 lbs. (5,443 kg) Single Line
4.8 HP (3.6 kW)
12/24 V DC
Series Wound Motor
Rope Material
Steel Wire
Rope Dimensions
3/8 inch (Thickness) X 100 Feet (Length)
Gearing Ratio
Gearing System
3-Stage Planetary
22.25 inches X 6.25 inches X 8 inches
92 lbs. (41.7 kg)
Drum Length
9 inches
Drum Diameter
2.5 inches
Braking Mechanism
Automatic Load-Holding
Bolt Pattern
4 Bolt Pattern, 4.5 in. X 10 in.
Handheld remote
Wired Remote, 12 feet lead (3.7 m)
Two Year Limited Warranty

Warranty / Repairs

Mile Marker offers a two-year limited warranty on the SEC12 winch. All the mechanical and workmanship bits of the SEC12 are warranted to be free of defects for up to 2 years from the date of purchase.

Similarly, the electrical components of the winch are said to be free of defects for a one-year duration from the date of purchase.

The warranty holds only if the winch is used for recreational purposes and not for any commercial applications.

More information regarding warranty registration and the like can be found by contacting Mile Marker via call or email at 1-800-886-8647 and [email protected], respectively.

Or go to

Customer Review Analysis for Mile Marker 76 50251bw Winch

The customers have stated that the SEC12 winch is a great product, considering all its features, its price, and its performance. The winch was everything that the customers expect from a 12,000 pounds winch.

The multiple mounting options provided by the disintegrated winch design allow affixing the control box at any location as per your preference.

Also, the fact that the winch is completely sealed and waterproofed allows use in different weather conditions with ease.

Some of the other factors that won brownie points with the customer were the ruggedness and the affordability aspects.

Overall, the customers are happy with the SEC12 winch, as well as the prompt service provided by Mile Marker for speedy query resolution.


Pros and Cons

The pros and cons of the Mile Marker 76 50251bw winch are listed below.


  • Replacement parts are conveniently available
  • Can be easily converted into a wireless winch
  • Readily available customer support
  • Uses anodized aluminum tie bars
  • Dacromet-coated fairlead for corrosion resistance
  • Completely sealed, weather-resistance winch


  • Product packaging could be better


When and Who Should Use

The 12,000 pounds of pulling power makes this winch suitable for the bigger vehicles and rigs that are stuck in a tough situation.

The winch can easily help in self-recovering as well as helping other vehicles get out of the challenging terrain.

Some of the other uses of the winch could be towing a car trailer, recovering a boat, moving heavy equipment, etc. The winch can be used for any recreational activity as long as the load is under 12,000 lbs.

Recommended Accessories with Mile Marker 76 50251bw Winch

You can complement the winch with a wireless remote assembly or replace the existing wired remote controller with a new one easily.

These products by Mile Marker can be purchased at the links mentioned below.

Wired remote controller

Wireless remote control

Some accessories like tree saver straps, shackles, and replacement synthetic ropes can come handy for bettering the winch’s performance with heavy loads. The links for purchasing these are listed below.

Tree Saver Strap


Replacement Synthetic Rope



Can the solenoid control box be mounted remotely?

Yes, the control box can be mounted in any configuration wanted by the user as long as the battery wires are long enough to reach the winch.

What are the line speeds of the SEC12 winch?

At the maximum capacity of 12,000 pounds, the winch’s line speed is 4.5 feet per minute while at no load, the winch runs as fast as 23 feet per minute.

What is the average current rating of the SEC12 winch at different loads?

When the winch is fully loaded at 12,000 pounds, the amperage rating is 370 amps, whereas, at no load, the amperage rating is 90 amps.

What components are included with the winch kit?

Apart from the winch, the kit includes a roller fairlead, a solenoid box, a steel cable, a heavy-duty hook, a remote controller, the electrical wiring, and a user manual.

Our Recommendation

The different parts of the SEC12 winch are adorned with some of the industry’s leading materials for waterproofing and corrosion resistance. The tie bars are made of anodized aluminum, whereas the fairlead is coated with a leading corrosion-proof material called Dacromet.

The entire winch hardware is made of stainless steel, and as per the manufacturers, the body claims as many as 19 seals throughout to keep the winch safe from contaminants.

This premium electric winch offers the needed muscle power for difficult jobs without breaking into a sweat and, therefore, is a good addition to your toolkit!


About Christopher Hall

Chris has been writing on automotive topics for more than five years now. He works with a custom car-making firm. Car racing is his no.1 passion and he's been doing it ever since he was 16 years old. He loves to take care of cars and enjoys reading all about them, while also always looking forward to the next race.